ive been using Ortho tri cylcen lo for about 5 years now. ive been using the Sunday start method. Well here it is a few days before my period is due (This Tuesday) and i have had a very heavy dark discharge on since last sunday or monday. its mostly brown with only a tad bit (barely) blood. Im having the WORST cramps ive ever experinced. THE QUESTION I NEED ANSWERED: Is this my period?? Do i need to continue to the green pills or go to the white pills and start the new pack as if this were my period? please help me.. today is sunday and im worried about messing up the routine if this is really my period